Climate averages 1991–2020
Lāhījān weather
in April.
A mild, moderately wet month: the 7th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Lāhījān: daytime highs average 18.8°C and nights cool to about 9.6°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 81 mm of rain on roughly 11 days, which makes April a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 08 min on an average April day.
The nearest other city in this atlas is Rasht (38 km away). In April its highs average 17.6°C, 1.2°C cooler than Lāhījān, with 88 mm of rain.
Among the 128 cities listed in Iran, Lāhījān ranks 86th of 128 for the warmest April highs and 119th of 128 for the driest April (rainfall, lowest first). The mean April high of those 128 cities is 21.8°C; Lāhījān is 3.0°C cooler than that mean.
From April to May, average highs rise by 4.4°C to 23.1°C, and monthly rainfall falls from 81 mm to 50 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Lāhījān climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.6°C2.3°C | 2.3°C | 116 | 12.2 | 9.910 h |
| February | 11.6°C2.3°C | 2.3°C | 122 | 12.3 | 10.811 h |
| March | 14.8°C5.5°C | 5.5°C | 115 | 13.2 | 11.912 h |
| April, selected | 18.8°C9.6°C | 9.6°C | 81 | 10.6 | 13.113 h |
| May | 23.1°C14.3°C | 14.3°C | 50 | 8.6 | 14.114 h |
| June | 26.7°C18.5°C | 18.5°C | 64 | 8.4 | 14.715 h |
| July | 28.5°C21.2°C | 21.2°C | 72 | 9.9 | 14.514 h |
| August | 28.9°C21.5°C | 21.5°C | 84 | 11.5 | 13.614 h |
| September | 25.2°C18.6°C | 18.6°C | 158 | 14.1 | 12.512 h |
| October | 21.7°C14.4°C | 14.4°C | 174 | 14.3 | 11.311 h |
| November | 16.8°C8.9°C | 8.9°C | 168 | 13.6 | 10.210 h |
| December | 13.4°C4.6°C | 4.6°C | 124 | 11.7 | 9.710 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Rasht in AprilIran · 38 kmHigh 17.6°C · Low 9.0°C · 88 mm rain
- Bandar-e Anzalī in AprilIran · 57 kmHigh 14.7°C · Low 11.8°C · 59 mm rain
- Qazvin in AprilIran · 104 kmHigh 18.4°C · Low 6.8°C · 74 mm rain
- Moḩammadīyeh in AprilIran · 110 kmHigh 18.3°C · Low 6.0°C · 55 mm rain
- Alvand in AprilIran · 113 kmHigh 19.0°C · Low 6.2°C · 74 mm rain
- Tākestān in AprilIran · 129 kmHigh 19.9°C · Low 6.1°C · 47 mm rain
- Chālūs in AprilIran · 140 kmHigh 16.6°C · Low 11.8°C · 68 mm rain
- Zanjan in AprilIran · 147 kmHigh 16.5°C · Low 3.7°C · 76 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Lāhījān) is explained once on the Lāhījān year overview and on the Sources, method and limits page.